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发明名称
Assister unit for hydraulic brake systems
摘要
申请公布号
US2770948(A)
申请公布日期
1956.11.20
申请号
US19510255051
申请日期
1951.11.06
申请人
PORTER GILBERT E
发明人
PORTER GILBERT E.
分类号
B60T11/224
主分类号
B60T11/224
代理机构
代理人
主权项
地址
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